Question 193102
Let x be the length.
Then its width 4x
So the perimeter in terms of x is 2(x + 4x)
Setting it equal to 80, we have
2(x + 4x) = 80
Solving for x, we have
2*5x = 80
10x = 80
x = 8
Therefore the length is 8
the width is 4x = 4*8 = 32